Acquire the Signal
Use the side menu buttons to de
fi
ne
parameters for the inputs, such as speci
fi
c
signals to an analog or digital channel.
De
fi
ne
Inputs
If you select
Parallel
, push the side menu
button to enable or disable
Clocked Data
.
Clocked
Data
Yes
No
Push the side menu button to select the
Clock Edge
on which to clock data: rising
edge, falling edge, or both edges.
Clock
Edge
Turn
Multipurpose a
to select the
Number
of Data Bits
in the parallel bus.
Number of
Data Bits
(a) 16
Turn
Multipurpose a
to select the desired
bit to de
fi
ne.
Turn
Multipurpose b
to select the desired
analog or digital channel as the source for
the bit.
De
fi
ne Bits
(a) Bit 15
(b) D15
4.
Push
Thresholds
.
Bus B1
Parallel
De
fi
ne
Inputs
Thresholds
B1 Label
Parallel
Bus
Display
Event
Table
You can set the threshold for all channels in
the parallel or serial bus from a list of preset
values. The preset values vary, depending
on the bus type.
Alternatively, you can set the threshold to a
speci
fi
c value for the signals that make up the
parallel or serial bus. To do so, push
Select
on the side menu and turn
Multipurpose a
to select a Bit or a Channel number (Signal
name).
Then, turn
Multipurpose b
to de
fi
ne the
voltage level above which the oscilloscope
treats the signal as a logic high and below
which as a logic low.
NOTE.
Some buses use two thresholds per
channel.
MDO3000 Series Oscilloscopes User Manual
69
Summary of Contents for MDO3012
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